What is the first step a recursive DNS resolver typically takes when resolving a domain name that is not in its cache?

Query the authoritative name server for the domain

Send a broadcast to all DNS servers

Which statement accurately describes a MAC address?

It is a 48-bit physical address burned into the network interface card.

It is a software-defined address that changes each time the host reboots.

It is a 32-bit logical address assigned by the network administrator.

It is a 128-bit address used to identify a host on the Internet.

What is the primary purpose of the Dynamic Host Configuration Protocol (DHCP)?

To resolve domain names to IP addresses

To automatically assign IP addresses and other network configuration to hosts

To encrypt data transmitted over a network

To translate private IP addresses to public IP addresses

GIAC Information Security Fundamentals

Domain 2Objective 1

Foundations of Network Communication GISF Practice Questions (Page 9)

Part of the Network and Systems Security domain, which makes up ~28% of our current practice bank. GIAC (SANS) does not publish an official question count, but from its 120-minute exam (~50–80 total, ~14–22 in this domain), expect 5–7 from this objective — we provide 53 practice questions to prepare you well beyond it. (estimate)

53questions here

11free pages

11concepts

Questions 41–45

41foundation · easy
What is the first step a recursive DNS resolver typically takes when resolving a domain name that is not in its cache?
Select an answer first
42foundation · easy
Which statement accurately describes a MAC address?
Select an answer first
43foundation · easy
Which TCP/IP model layer corresponds most directly to the combination of the OSI model's session, presentation, and application layers?
Select an answer first
44foundation · easy
What is the primary purpose of the Dynamic Host Configuration Protocol (DHCP)?
Select an answer first
45application · easy
A security analyst is comparing the OSI and TCP/IP models to explain to management why a firewall can filter traffic based on port numbers. In the TCP/IP model, which layer corresponds to the OSI transport layer and is responsible for port-based multiplexing?
Select an answer first

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Foundations of Network Communication GISF Practice Questions (Page 9)

Questions 41–45

What is the first step a recursive DNS resolver typically takes when resolving a domain name that is not in its cache?

Which statement accurately describes a MAC address?

Which TCP/IP model layer corresponds most directly to the combination of the OSI model's session, presentation, and application layers?

What is the primary purpose of the Dynamic Host Configuration Protocol (DHCP)?

A security analyst is comparing the OSI and TCP/IP models to explain to management why a firewall can filter traffic based on port numbers. In the TCP/IP model, which layer corresponds to the OSI transport layer and is responsible for port-based multiplexing?

Keep studying — Network and Systems Security